2213023031312 has 20 divisors (see below), whose sum is σ = 4287798597180. Its totient is φ = 1106494361088.

The previous prime is 2213023031311. The next prime is 2213023031321. The reversal of 2213023031312 is 2131303203122.

It can be written as a sum of positive squares in 2 ways, for example, as 436070046736 + 1776952984576 = 660356^2 + 1333024^2 .

It is not an unprimeable number, because it can be changed into a prime (2213023031311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26228 + ... + 2103980.

It is an arithmetic number, because the mean of its divisors is an integer number (214389929859).

Almost surely, 2^{2213023031312} is an apocalyptic number.

It is an amenable number.

2213023031312 is a deficient number, since it is larger than the sum of its proper divisors (2074775565868).

2213023031312 is a wasteful number, since it uses less digits than its factorization.

2213023031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144330 (or 2144324 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2213023031312 its reverse (2131303203122), we get a palindrome (4344326234434).

The spelling of 2213023031312 in words is "two trillion, two hundred thirteen billion, twenty-three million, thirty-one thousand, three hundred twelve".